Shower enclosure



FIG. 1 is a perspective view taken from the top, front and left side of a shower enclosure showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a perspective view taken from the top, front and left side of a second embodiment thereof.

The fragmentary broken line showing of bathroom walls in FIGS. 1 and 5 and of a shower base in FIGS. 1 through 5 are for purposes of illustration only and form no part of the claimed design. 

The ornamental design for a shower enclosure, as shown and described. 